Home / 20,294,624.98-30,437,279.16-12,099,586.06

Finding the Fourth Proportional to 20,294,624.98, 30,437,279.16 and 12,099,586.06

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Solution

The fourth proportional to 20,294,624.98, 30,437,279.16 and 12,099,586.06 is: 18,146,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294,624.98 : 30,437,279.16 = 12,099,586.06 : x
  2. Step 2: Convert to fraction form
    20,294,624.98/30,437,279.16 = 12,099,586.06/x
  3. Step 3: Cross multiply
    20,294,624.98x = 30,437,279.16 × 12,099,586.06
  4. Step 4: Simplify right side
    20,294,624.98x = 368,278,478,628,664.50
  5. Step 5: Solve for x
    x = 368,278,478,628,664.50/20,294,624.98
  6. Step 6: Final answer
    x = 18,146,601.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.